<div class="position-class">
    <h5>职位分类</h5> 
    <button ng-click="showPositionList($index)"  ng-repeat="cat in com.positionClass" ng-bind="cat.name" class="{{$index===isActive?'active':''}}">技术aa</button>
    <ul>
        <li class="p-r" ng-repeat="pos in positionList">
            <p ng-bind="pos.name">IOS前端工程师aa</p>
            <p ng-bind="pos.createdDate">2018-7-30 20:30aa</p>
            <span class="p-a" ng-bind="pos.salary">15K-25Kaa</span>
        </li>
    </ul>
</div>